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IBM C2090-544 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| High Availability and Disaster Recovery | - Failover and recovery strategies - HADR configuration and monitoring |
| Security and Authorization | - Authentication and authorization models - Roles, privileges, and access control |
| Backup and Recovery | - Log management and rollforward recovery - Point-in-time recovery - Online and offline backups |
| Database Performance Tuning | - Query optimization and explain plans - Index design and maintenance - Memory tuning (buffer pools, sort heap, lock list) |
| Database Monitoring and Troubleshooting | - Event monitoring and snapshot analysis - Locking issues and deadlock resolution |
| Database Architecture and Configuration | - DB2 architecture components (instances, databases, bufferpools) - Configuration parameters and environment setup |
IBM DB2 9.7 Advanced DBA for LUW Sample Questions:
Which tool or command will display only the automatic storage paths in an existing backup image?
- A. db2dart
- B. db2pd
- C. db2ckbkp
- D. INSPECT
Correct Answer: C 🗳️
While attempting to establish connectivity between a Windows client and a UNIX server, the following commands were issued from the Windows client:
CATALOG TCPIP NODE node001 REMOTE hostnm01 SERVER 50000;
CATALOG DATABASE samp001 AS samp001 AT NODE node001;
TERMINATE;
When trying to connect to the SAMP001 database the following error was received: SQL30061N The database alias or database name name was not found at the remote node.
The database name is not an existing database at the remote database node. The statement cannot be processed. What should be done resolve the problem?
- A. Add an entry into the Database Connection Services directory on the Windows client.
- B. Change the service name (SVCENAME) in the remote servers database configuration.
- C. Match the port number in the CATALOG TCPIP NODE command with the port number in the /etc/services file on the remote server.
- D. Add a Database Connection Services entry to the /etc/services file on the Windows client.
Correct Answer: B 🗳️
A primary and standby database are enabled for HADR and are in peer state. The HADR_SYNCMODE configuration parameter is set to SYNC. An application connects to the primary database, issues a COMMIT and receives a successful return code in response. How were the log buffers for this unit of work processed?
- A. The log buffers were written to the DB2 log files on the standby server and held in memory on the primary server. The return code was then sent to the application.
- B. The log buffers were written to the DB2 log files on the primary server and received in the log buffers on the standby database. The return code was then sent to the application.
- C. The log buffers were written to the DB2 log files on the primary server, sent to the standby, and written to log files on the standby server. The return code was then sent to the application.
- D. The log buffers were written to the DB2 log files on the primary server and sent to TCP/IP send buffer to be shipped to the standby server. The return code was then sent to the application.
Correct Answer: C 🗳️
Your UNIX system administrator has indicated that there appears to be a lot of I/O wait time associated with your database, which is stored in a 7+p RAID array. An investigation reveals the following information: DB2_PARALLEL_IO=*
Tablespace with ID 7 has a single container and is dedicated to the largest table. It has a page size of 16K, an extent size of 32, and a prefetch size of 64.
Which setting would optimize I/O for the largest table?
- A. DB2_PARALLEL_IO=7:7
- B. DB2_PARALLEL_IO=7:16
- C. DB2_PARALLEL_IO=7:32
- D. DB2_PARALLEL_IO=7:64
Correct Answer: A 🗳️
How can a DBA validate that an existing backup was compressed?
- A. Check the header information of the backup file using db2ckbkp.
- B. Check the value of the COMPRESS_BACKUP database configuration setting.
- C. Check the value of the DB2_COMPRESS_BACKUP registry variable.
- D. Check the output from the command LIST HISTORY BACKUP ALL FOR the database.
Correct Answer: A 🗳️
